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If life ever returns to normal, one thing no one will miss from the lockdown era is the 'TV goldfish'. For over a year, we've watched the disembodied, pixelated faces of contributors to live TV mouth their words out of sync with their audio, gulping away as if in a private fish tank. This isn't the exception for internet video, it's the norm.
John Day is one of the internet's greybeard founding fathers. For a decade he has been advancing a set of improvements to the current mainstream internet protocols. His proposals – called RINA (Recursive Internetwork Architecture) – revisit and build on Louis Pouzin's founding concept of datagrams (data packets). Simplifying these features allowed the original inter-networking protocols (IP) to get out of the door in the 1980s and 1990s, and allowed for the rapid growth of the internet. But the current system we have – TCP/IP – is holding back new innovation.
See also: Internet outage illustrates lack of resilience at heart of critical services
The Guardian view on the internet outage: we need resilience, not just efficiency
(Score: 4, Insightful) by isostatic on Thursday June 10 2021, @01:20PM (2 children)
If life ever returns to normal, one thing no one will miss from the lockdown era is the 'TV goldfish'. For over a year, we've watched the disembodied, pixelated faces of contributors to live TV mouth their words out of sync with their audio, gulping away as if in a private fish tank. This isn't the exception for internet video, it's the norm.
Err no, it's not the norm. It happens very rarely, and when it does it's usually because of some problem at the codec. Audio and video tend to be sent on the same connection, so any issues at the TCP/UDP or below layers may lead to lost packets and thus missing audio/video frames, but that would not be out of sync.
(Score: 2) by Freeman on Thursday June 10 2021, @03:29PM (1 child)
Or, you know, you're trying to watch via a "SmartTV". I noticed that the built-in "smart" part of the TV I recently purchased, sucks all kinds of bad. Was mostly curious how good/bad it was and it is again, disconnected from the network. Took me a while to find the forget network option, buried under some serious menu hell.
Joshua 1:9 "Be strong and of a good courage; be not afraid, neither be thou dismayed: for the Lord thy God is with thee"
(Score: 0) by Anonymous Coward on Thursday June 10 2021, @05:22PM
They probably have a smart tv, and they probably left turned on all the "smart tv picture enhancement settings" (which are often on by default anyway) each of which adds latency to the video pixels from the stream making it to the LCD panel for display.
With the result that he/she consistently get "fish bowl" audio/video de-sync, but only because they caused it by being too stupid to turn off the extra video processing.